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Cylindroteuthis venusta
Taxonomy
Cylindroteuthis venusta was named by Dzyuba (2012). Its type specimen is Specimen 680/12, CSGM in IGM SB RAS, Novosibirsk, Russia and is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2012 | Cylindroteuthis venusta Dzyuba pp. 61 - 63 figs. Plate I, fig. 4–5 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Cylindroteuthis venusta Dzyuba 2012
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| O. S. Dzyuba 2012 | Rostrum is large, strongly elongated to long (PA approximately 820–1060% under DV > 10 mm), with all sides practically straight and gradu???? ally converging to the apex imparting it a vague sub???? conical shape. The ventral groove occupies one third to half of the rostrum length. The transverse section near the alveolus tip is rounded–subtrapezoid, later???? ally compressed (LL approximately 92–96%). Alveo???? lus is shallow, straight, with the tip displaced toward the ventral side. |